Question

qual a integral dx/x³

Answer 1

$\int{\dfrac{dx}{x^{3}}}\\ \\ \\ =\int{x^{-3}\,dx}\\ \\ \\ =\dfrac{x^{-3+1}}{-3+1}+C\\ \\ \\ =\dfrac{x^{-2}}{-2}+C\\ \\ \\ =-\dfrac{1}{2x^{2}}+C$